3-Series (E46, E90)Chat relating to the BMW 3-Series from 1999 to Current. Models include: BMW 316i, BMW 318i, BMW 318Ci, BMW 320i, BMW 323i, BMW 325i, BMW 330i, BMW 328 Ci, BMW 328i, BMW 325i/xi, BMW 330Ci, BMW 320d, BMW 330d, BMW 335d.
I've placed a deposit and pick up my new ( 2011, 13,000 miles) 328i in 2 weeks. I'm old school and have never driven a car that didn't have a spare tire. I did a lot reading on the run flats and understand they can be patched - recommended way is to remove tire and patch from inside. I also understand that the sidewalls are the life of these tires.
If I have a flat (not a flat, but no air pressure in the tires) is there a temporary fix that will prevent damage to the sidewalls until I can have the tire properly repaired? I've read of tire repair kits that may do this. Exactly what and where are these kits - we talking about the spray can flat repair or something else? What works the best??? Also, is a very small compressor good to keep in the car, to keep as much air in the tire as possible until it can be fixed? Any help will be greatly appreciated.
Speaking of old school - there ain't no dipstick?????????????????
Run Flats are designed with stiffer sidewalls to maintain the shape of the tyre when its air presure is low. These stiffer sidewalls reduce the amount of flex and hence stiffen/harden the suspension. You should be able to use a pressure pack puncture repair kit to provide a short term fix, but a lot of people find the ride harsh with Run Flats.
My runflats are almost shot, and will be replaced by 'normal' tires soon. They were ok while they lasted, but they get more harsh and noisy when they wear down. I guess I'll be adding tow service when I change them out, because there is no room for a spare in these cars.
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